Fixed that cashed images are kept even when original does not exist anymore

modules/wp/generate-wallpaper-thumbs.sh

@@ -10,7 +10,9 @@ if [ ! -d $THUMB_DIR ]; then
   mkdir -p $THUMB_DIR;
 fi
 
-
+shopt -s nullglob
+files=( "$THUMB_DIR"/*.jpg "$THUMB_DIR"/*.jpeg "$THUMB_DIR"/*.png )
+# printf '  %s\n' "${files[@]}"
 # Make sure the thumb directory exists
 mkdir -p "$THUMB_DIR"
 
@@ -19,6 +21,28 @@ MAX_DIM=300
 
 num=0
 
+remove_from_array() {
+    local -n arr=$1
+    local elem=$2
+    local result=()
+
+    # echo "=== Removing element: '$elem' ==="
+    # echo "Original array has ${#arr[@]} elements"
+
+    for item in "${arr[@]}"; do
+        if [[ "$item" != "$elem" ]]; then
+            result+=( "$item" )
+        #     echo "Keeping: '$item'"
+        # else
+        #     echo "Removing: '$item'"
+        fi
+    done
+
+    arr=( "${result[@]}" )
+    # echo "New array has ${#arr[@]} elements"
+    # echo "-----------------------------------"
+}
+
 # Process each image
 for img in "$WALLPAPER_DIR"/*.{jpg,jpeg,png}; do
     # Skip if no files match
@@ -34,16 +58,18 @@ for img in "$WALLPAPER_DIR"/*.{jpg,jpeg,png}; do
 
     # Output path
     thumb="$THUMB_DIR/$fname"
+    
 
     # If thumbnail already exists and is newer than the original, skip
     if [ -f "$thumb" ] && [ "$thumb" -nt "$img" ]; then
+        remove_from_array files "$thumb"
         continue
     fi
 
     num+=1
 
     # Generate thumbnail using ImageMagick
-    if [ -x "/usr/bin/magick" ] then
+    if [ -x "/usr/bin/magick" ]; then
         magick "$img" -resize "${MAX_DIM}x${MAX_DIM}" "$thumb"
         rm $temp_image_name
     else
@@ -52,6 +78,16 @@ for img in "$WALLPAPER_DIR"/*.{jpg,jpeg,png}; do
         fi
         cp $img $temp_image_name
     fi
+    remove_from_array files "$thumb"
+done
+
+# echo ""
+
+# printf '  %s\n' "${files[@]}"
+
+for img in $files; do
+    echo "$img"
+    rm $img
 done
 
 echo "$num Thumbnails generated in $THUMB_DIR"